3-Coil 480V Motor Starting Autotransformer

5 Year Warranty

Buy with confidence. All new and used Maddox transformers are tested and come with a full 5 year warranty against defects. If you experience any problems just give us a call and receive a replacement, free of charge. We'll even pay the shipping!

Fast Shipping

Shipping from 20 regional warehouses, delivery is never more than a few days away.

3-Coil 480V Motor Starting Autotransformer

SKU # MIT-MSA-100
$1,975.00 IN STOCK CALL FOR LEAD-TIME 866-719-1882

Delivers in 3-5 business days


400 HP and below kept IN STOCK, call to check availability over 400 HP

Standard Features:

  • Duty: Medium Duty
  • Phase: 3
  • Coils: 3 Coils
  • Taps: 50%, 65%, 80%, 100%
  • Frequency: 60Hz
  • Material: Copper
  • Insulation Class: 220°C
  • Approval: CSA, UL

Need something different? Contact us for a custom quote: websales@maddoxtransformer.com

1 Year Warranty

Buy with confidence. All new and used Maddox transformers are tested and come with a full 1 year warranty against defects. If you experience any problems just give us a call and receive a replacement, free of charge. We'll even pay the shipping!

Fast Shipping

Shipping from 20 regional warehouses, delivery is never more than a few days away.